Description Reviews MINI Cooper Dowel Pin 07-14-7-543-432. This dowel pin locates the A/C bracket on all Gen 2 MINI Cooper & Cooper S's. Fits all N12, N14, N16, & N18. This pin is handy when rebuilding a motor. The pin can be rusty, bent, or missing. The size is M8x18 and come directly from MINI.